<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>js基础-阶梯式if判断</title>
  <link rel="stylesheet" href="../css/common.css">
</head>

<body>
  请输入html成绩：
  <input type="text" id="txtScore">
  <button id="btnScore">确定</button>
  <span id="spScore"></span>

  <hr>
  年: <input type="text" id="txtYear">
  月：<input type="text" id="txtMonth">
  <button id="btnDay">计算</button>
  <span id="spDay"></span>

  <script src="js/common.js"></script>
  <script src="js/h09.js"></script>

</body>

</html>